A Series Diesel Engine Base Engine Components 150
Front Gear Housing and Gear Train
The gear train consists of the crankshaft gear, lube
pump gear idler, the camshaft gear, the fuel pump
gear and the accessory drive gear, if used.
The gear housing provides a support for the injection
pump, and the accessory drive gear, if used.
Front Crankshaft Seal
The front crankshaft seal is mounted in the front gear
cover. A double lipped Teflon seal is used.
The sealing surface on the gearcase must be clean
and free of oil during assembly.
Camshaft, Tappets and Push Rods
The camshaft is gear driven from the crankshaft.
A replaceable bushing is used for the front journal to
carry the side loading from the accessory drive.
The remainder of the journals operate in cast iron
bores in the cylinder block.
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